Sanctions and underinvestment have cut Iran's oil production capacity by at least 300,000 barrels per day, depriving the country of billions of dollars of revenues, reports
Financial Times.The slow development of new oilfields and the poor condition of many existing wells have caused the fall, according to Iranian and western experts."Oil production capacity has dropped by probably about 300,000-400,000 bpd," said a former senior official in Iran's government. His figures were consistent with those of a western oil official.